Patent US3042428A successfully refreshed from Google Patents.
US3042428A
Expired / Lapsed
US
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Copper-aluminum tubular connector
Assignee: General Electric Co
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Filing: 1954-04-05
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Granted: 1962-07-03
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Expires: 1974-04-05
Abstract
No abstract record available.
Inventors
- 👤 Emmett G Gardiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:40
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/017; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21D; B21D39/00; B21D39/04; F; F16; F16L; F16L13/00; F16L13/02; F16L13/0281; F16L13/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |